A company called Fibermax Composites sells on it's website www.fibermax.eu a product called "multiwall carbon nanotubes". I never heard about this...
After doing some destructive research (this is what the technicians love to do; hurt the material with a big hammer and look when & where it goes...
I am a semi-professional Dutch windsurfboard builder. My mainproducts are custombuild race- / slalom- / speedboards. I use carbon, kevlar and...